ovjay itravcnoo



' stituen will term a tacky substance. .the tacky substance with various other agents Reissued Sept. 14, 1926.

UNITED- STATES PATENT OFFICE.

o'rrs JOHNSON. onsaiv raaucrsco, camoaina; xssrcuon TO I. r. LAUOKS, nm, or

SEATTLE, WASHINGTON, A CORPORATION OF WASHINGTON.

ADHESIVE.

No Drawing. Original No. 1,460,757, dated my s, 1923, Serial No. sarsss, filed August 14, 1922; e ai cation for reissue tiled .Tune 5, 1924. Serial No. 718,179.

My invention relates to an adhesive formula and the product produced therefrom.

I have discovered from experiments that a high class waterproof adhesive, such as socalled glue, may be realized from soya beans or rather the residue derived from soya beans preferably after the oily content ofto realize a high grade product, I can 'extract b any suitable means the adhesive conof the residue.

In carrying out the invention, soya beans are first pressed, or otherwise treated, to extract their oily content and the resultant pressed cake is either finely ground, when the whole of the residue is to be used, or else it is treated to extract the adhesive constituent when the high grade adhesive is to be produced. This adhesive constituent, or even the finely ground'prcssed cake, may be considered as a base for my formula and the same, on account of its adhesive qualities, I I compound which may be those commonly used in the manufacture of adhesives, such as hydrated lime and sodium fluoride, the tacky sub stance and the two agents named being mixed in solution. I, of course. do not confine myself to hydrated lime and sodium fluoride, as any other agents. having substantially the same charactertistic qualities will be sufiicient. In fact, entirely -difl'ernt agents may be used, but I have not as yet experimented further than the agents of this character. The hydrated lime is, of course, a waterproofing solvent. and the sodium fluoride is a so-called liquefying agent; in other words, it prevents the compound from drying out. I have found that the following proportions give satisfactory results: About two and one-half to three" parts hydrated lime, one part sodium fluoride, about ten parts of the tacky substance, and suflicient other instances where a strong adhesive is not necessarily required.

I have found in practice that by using this tacky substance I can reduce a very cheap adhesive, and one that is far better than any that has been made by heretofore known formulas. Soya beans, or rather the residue may be obtained at a very nominal cost and the treatment necessary to either grind the residue when it is used as a whole, or when it is treated to extract the adhesive constit uent, is very simple. Consequently the base for the formula is realized without expensive equipment or other highcost.

The so-called tacky substance, it shall be understood, only becomes tacky when mixed with water or a suitable solution. It shall be understood that'the tacky substance which constitutes the adhesive constituent, afterbemeal. 7

ing finely ground, is in the form of d After this meal is produced, same 1s then mixed with hydrated lime and-sodium fluoride. Therefore, the protein-containing vegetablematerial, otherwise called tacky substance, only becomes tacky when mixed with liquid, as aforesaid.

I claim: a a

1. An adhesive composition comprising the tacky substance of the soya bean, and an alkali-metal liquefying agent.

2. An adhesive composition comprisingthe tackysubstance of the soya bean, an alkalimetal liquefying agent, and a waterproofing agent. a

3. An adhesive composition comprising the tacky substance of the soya bean, hydrated lime. and sodium fluoride.

4. The method of making an adhesive composition which consists in including therein the tacky substance of the soya bean.

5. The process of making an adhesive com position which consists in extracting the oil from the soya bean, and adding to the residue an alkali-metal liquefying agent.

6. The process of making an adhesive composition which consists in extracting the oil 5 from the soya. bean, and adding to the residue an-alkali-metal liquefying agent and a waterproofing agent.

' 7 The process of making an adhesive composition which consists in extracting the oil from the soya bean, grinding the residue, 10 and then adding to the finely ground residue, hydrated lime and sodium fluoride.

8. In a method of making glue, the steps which consist in treating protein-containing vegetable material derived from the soya 15 bean with an alkali metal compound, and

liine.

OTIS JOHNSON.

DISCLAIMER Reissue No. 16,422.-'Otis Johnson, San Francisco, Calif. ADHESIVE. Patent reissued September 14, 1926. Disclaimer filed May 23, 1930, by the assignee, I. F. Laue/cs, Inc. Hereby enters this disclaimer tosuch interpretation or construction of said specification or claims as follows: Your petitioner disclaims any interpretation or construction of the specification or claims of the said Johnson reissue patent which brings within the scope or import of the said specification or claims chemically isolated or chemically extracted soya bean protein.

[Ofiiciol Gazette June 10, 1.930.]

DISCLAIMER Re. 16,422..0t'i8 Johnson, San Francisco, Calif. ADHESIVE. Petentflated September 14, 1926. Disclaimer filed November 17, 1933, by the assignee, I. F.Laucks,Inc. Hereby enters this disclaimer to said claim 8, which claim is in the following words, to wit:

8. In a method of making glue, the steps which consist in treatingprcteincontaining vegetable material derived from the soya been with an alkali metal compound, and lime.

[Qflic'ial Gazette December 12, 1983.] 

